Acompany that offers tubing trips down a river rents tubes for a person to use for $20 and "cooler" tubes to carry food and water for $12.50. a group spends $270 to rent a total of 15 tubes. how many of each type of tube does the group rent?

The number of river rent tubes are 11 and the number of cooler tubes are 4.

Step-by-step explanation:

Given,

Total number of tubes = 15

Total amount of money spent = $270

Price of river rent tube = $20

Price of cooler tube = $12.50

Solution,

Let the number of river rent tube be x.

And the number of cooler tube be y.

So,

Total number of tubes = The number of river rent tube +  The number of cooler tube

On substituting the values, we get;

Now,

Total amount of money spent = Price of river rent tube X The number of river rent tube + Price of cooler tube X The number of cooler tube

So,

Now multiplying equation 1 by 20 and then subtract equation 2 from it, we get;

On substituting the value of y in equation 1, we get the value of x;

Thus the number of river rent tubes are 11 and the number of cooler tubes are 4.

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